Simulation of ancient wind-driven iron smelting furnaces of Sri Lanka

2015 Moratuwa Engineering Research Conference (MERCon) Pub Date : 2015-04-07 DOI:10.1109/MERCON.2015.7112312

A. A. K. Kumbalathara, D. Liyanage, S. Witharana, J. Rajika, M. Narayana, K. Fernando

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引用次数: 2

Abstract

Metal processing industry in Sri Lanka began around 3000BC. Ancient chronicles like Mahavansaya, Thupavansa and Pujavaliya proved the Sri Lanka's history of metal industry. Archaeometallurgical surveys of Sri Lanka have revealed a non-conventional wind-driven iron smelting furnace for the first time in the world. Some of them dated back to third century BC. Replications of iron smelting process have shown the ability of those furnaces to operate and produce high carbon Steel. CFD modeling and simulation is a popular tool to further understand the fluid flow patterns within and surrounding a furnace. This paper discusses the initial steps of modeling and simulation of the total process of iron smelting in the west-facing furnaces situated in Samanalawewa area of Sri Lanka. Main focus of the paper is to analyze the cold flow at 2D and 3D steady state conditions by using the open source OpenFOAM CFD software with over 9million cells for 3D simulation in finite volume method. The results have been compared with a validated simulation on the same furnace using the commercial CFD code Fluent.

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斯里兰卡古代风动铁炉的模拟

斯里兰卡的金属加工业始于公元前3000年左右。Mahavansaya, Thupavansa和Pujavaliya等古代编年史证明了斯里兰卡的金属工业历史。斯里兰卡的考古冶金学调查在世界上首次发现了一个非常规的风力炼铁炉。其中一些可以追溯到公元前三世纪。对炼铁过程的重复研究表明，这些熔炉有能力运行并生产高碳钢。CFD建模和仿真是一种流行的工具，可以进一步了解炉内和炉外流体的流动模式。本文讨论了斯里兰卡Samanalawewa地区西向炉铁冶炼全过程建模和仿真的初步步骤。本文的主要研究重点是利用开源的OpenFOAM CFD软件，采用有限体积法对900多万个单元进行三维模拟，对二维和三维稳态条件下的冷流进行分析。并将计算结果与商用CFD软件Fluent在同一炉上的仿真结果进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2015 Moratuwa Engineering Research Conference (MERCon)

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